import { CompositeLayer } from '@deck.gl/core';
import { SimpleMeshLayer } from '@deck.gl/mesh-layers';
type LayoutInfo = {
    sourcePosition: number[];
    targetPosition: number[];
    controlPoints?: number[][];
};
export declare function isEdgeDirected(edge: any): boolean;
export declare function getArrowTransform({ layout, size, offset }: {
    layout: LayoutInfo;
    size: number;
    offset?: number[] | null;
}): {
    position: [number, number, number];
    angle: number;
};
export declare class EdgeArrowLayer extends CompositeLayer {
    static layerName: string;
    renderLayers(): SimpleMeshLayer<any, {}>[];
}
export {};
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